7478349 has 4 divisors (see below), whose sum is σ = 9971136. Its totient is φ = 4985564.

The previous prime is 7478333. The next prime is 7478357. The reversal of 7478349 is 9438747.

7478349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7478349 - 2⁴ = 7478333 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 7478349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7478369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246389 + ... + 1246394.

It is an arithmetic number, because the mean of its divisors is an integer number (2492784).

Almost surely, 2^7478349 is an apocalyptic number.

It is an amenable number.

7478349 is a deficient number, since it is larger than the sum of its proper divisors (2492787).

7478349 is a wasteful number, since it uses less digits than its factorization.

7478349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492786.

The product of its digits is 169344, while the sum is 42.

The square root of 7478349 is about 2734.6570168853. The cubic root of 7478349 is about 195.5548431854.

The spelling of 7478349 in words is "seven million, four hundred seventy-eight thousand, three hundred forty-nine".